Oven Diagnostics
Miele Oven
Miele Oven
Error Codes
Meanings, severity levels, safe checks you can perform, and when to call a technician.
Enter the code shown on your oven display
Is it safe to keep using it?
Depends on code severity. Low/Medium codes often allow continued use, High severity requires immediate stop.
Can error codes be reset?
Some codes clear after power cycle. Persistent codes indicate underlying issues needing repair.
When should I stop using it?
Stop immediately for water leak codes, burning smell, or any High severity error.
Error Code Directory
Click any code for detailed troubleshooting steps
Low
Medium
High
Code
Meaning
Severity
Common Symptom
F1
NTC Heater Sensor Short Circuit
High
Appears immediately when the oven is turned on or during heating.
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F2
NTC Heater Sensor Open Circuit
High
Appears when the oven attempts to start a heating cycle.
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F3
NTC Fan Sensor Short Circuit
High
Appears when the oven tries to use convection (fan-forced) mode.
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F4
NTC Fan Sensor Open Circuit
High
Appears when attempting convection cooking modes.
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F5
PT1000 Oven Sensor Short Circuit
High
Appears at startup or during heating.
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F6
PT1000 Oven Sensor Open Circuit
High
Appears when the oven tries to heat.
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F7
Convection Fan Motor Fault
Medium
Food is cooked unevenly — done on one side and raw on the other.
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F9
Control Board Communication Error
High
The oven display is either completely blank or shows only the F9 error code.
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F10
Steam Generator Water Inlet Fault
High
Appears when the steam function is selected.
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F11
Steam System Water Drain Error
Medium
Appears after a steam cooking cycle ends.
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F20
Heating Element Fault
High
Appears during or at the start of a heating cycle.
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F23
Pyrolysis Heating Fault
Medium
Appears when pyrolysis self-clean is started.
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F32
Door Lock Does Not Close
Medium
Appears when pyrolysis is initiated.
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F55
Safety Auto Shut-Off Activated
Low
Appears after extended continuous operation.
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